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7982045570 = 257310934309
BaseRepresentation
bin1110110111100010…
…00101100110000010
3202121021121221001102
413123301011212002
5112321400424240
63400014534402
7401542160612
oct73361054602
922537557042
107982045570
113426724a84
121669207402
139a28c7ab5
1455a152a42
1531ab50815
hex1dbc45982

7982045570 has 16 divisors (see below), whose sum is σ = 14564500920. Its totient is φ = 3149080704.

The previous prime is 7982045569. The next prime is 7982045593. The reversal of 7982045570 is 755402897.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7865383969 + 116661601 = 88687^2 + 10801^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5466425 + ... + 5467884.

Almost surely, 27982045570 is an apocalyptic number.

7982045570 is a deficient number, since it is larger than the sum of its proper divisors (6582455350).

7982045570 is a wasteful number, since it uses less digits than its factorization.

7982045570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934389.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 7982045570 is about 89342.2944075201. The cubic root of 7982045570 is about 1998.5026767914.

The spelling of 7982045570 in words is "seven billion, nine hundred eighty-two million, forty-five thousand, five hundred seventy".

Divisors: 1 2 5 10 73 146 365 730 10934309 21868618 54671545 109343090 798204557 1596409114 3991022785 7982045570